In the lower atmosphere (1.5 km height), the coldest temperatures in the world are heading for the US [OC]Mike2220 t1_j70gmto wrote
Reply to comment by Xpressionofinterest in In the lower atmosphere (1.5 km height), the coldest temperatures in the world are heading for the US [OC] by Mathew_Barlow
This altitude is significantly lower than even the height commercial airliners fly at.. less than ⅕ that height actually.
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